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For example, on the Android operating system a device-independent pixel is equivalent to one physical pixel on a 160 dpi screen, [1] while the Windows Presentation Foundation specifies one device-independent pixel as equivalent to 1/96th of an inch. [2] As dp is a physical unit it has an absolute value which can be measured in traditional units ...
The resolution of 960H depends on whether the equipment is PAL or NTSC based: 960H represents 960 x 576 (PAL) or 960 x 480 (NTSC) pixels. [29] 960H represents an increase in pixels of some 30% over standard D1 resolution, which is 720 x 576 pixels (PAL), or 720 x 480 pixels (NTSC). The increased resolution over D1 comes as a result of a longer ...
A number of different units (some only of historical interest) are shown and expressed in terms of the corresponding SI unit. Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article.
The digital publishing industry primarily uses pixels per inch but sometimes pixels per centimeter is used, or a conversion factor is given. [ 21 ] [ 22 ] [ 23 ] The PNG image file format only allows the meter as the unit for pixel density.
Android expresses layout dimensions and position via the density-independent pixel or "dp" which is defined as one physical pixel on a 160 dpi screen. At runtime, the system transparently handles any scaling of the dp units, as necessary, based on the actual density of the screen in use. [13]
But when the pixel counts are referred to as "resolution", the convention is to describe the pixel resolution with the set of two positive integer numbers, where the first number is the number of pixel columns (width) and the second is the number of pixel rows (height), for example as 7680 × 6876.
Since a pixel must be a whole number, rounding up to 854 ensures inclusion of the entire image. 853 × 480 is the 16:9 equivalent for NTSC (480 lines) on a display with square pixels. Plasma and other digital TV sets with this resolution were marketed as enhanced-definition television (EDTV) at the time.
As it is, the Macintosh 128K featured a screen measuring 512 pixels in width by 342 pixels in height, and this corresponded to the width of standard office paper (512 px ÷ 72 px/in ≈ 7.1 in, with a 0.7 in margin down each side when assuming 8 + 1 ⁄ 2 in × 11 in North American paper size; in the rest of the world, it is 210 mm × 297 mm ...